FreePBX Configuration - sipgate SIP Trunking
Step-by-step guide to configure a sipgate SIP Trunk on FreePBX, including trunk setup, outbound routes, and caller ID settings.
The following guide describes the configuration of a sipgate SIP Trunk on a fresh install of FreePBX. Estimated setup time required: under 20 minutes (excluding download and installation of FreePBX). FreePBX version used in this guide: FreePBX 13; Linux 6.6; Asterisk 13. FreePBX Documentation,
Installation & Configuration Guides
FreePBX download page: https://www.freepbx.org/downloads/
FreePBX Wiki: https://wiki.freepbx.org/
You'll need your sipgate SIP Trunk's SIP-ID and SIP Password. To find these:
Login to your sipgate account: https://login.sipgate.com
Under the Trunks menu in the Navigation bar click on the Trunk you wish to configure
Scroll down to the SIP Credentials section at the bottom of the main page.
Open your computer's browser and enter FreePBX's IP address into your browser's address bar. Click on FreePBX Administration:

Remember:
Submit your changes regularly. Double check your changes before applying them.
Add a SIP Trunk
Open Connectivity ➔ Trunks

Click Add Trunk ➔ Add SIP (chan_sip) TRUNK

Add Trunk ➔ General

Add Trunk ➔ sip Settings

Peer Details
If your PBX is behind a NAT Firewall add the following to your Peer Details
Edit Trunk ➔ SIP Settings ➔ Incoming:

Your SIP Trunk must be registered online to receive incoming calls.
If you only wish to place outbound calls with your sipgate trunk this step can be skipped.
In the Incoming menu, delete any settings already showing/entered and add your Register String in the format: SIP-ID:[email protected]/SIP-ID
Click Submit followed by Apply Config to register your trunk online with sipgate.
After your trunk has registered online successfully, the status in your sipgate account will update to online.
Click Submit followed by Apply Config to register your trunk online with sipgate.
Your Trunk's registration status can also be checked in the FreePBX GUI under: Reports ➔ Asterisk Info ➔ Registries
Add Outbound Route
Connectivity ➔ Outbound Routes ➔ Route Settings

Outbound Routes ➔ Dial Patterns:
Simplest Dial Pattern - using X. will send all dialled digits to sipgate:

If you also add a Dial Pattern in your Trunk settings, the Outbound Route's Dial Pattern will be applied to the dialled number first followed by the Trunk's Dialling Pattern.
Set your Outgoing Caller ID
Note: It is only possible to set an outgoing Caller ID from a/the number(s) you have on your sipgate trunking account. It is not possible for you to set "any number" as an outbound caller ID with sipgate trunking.
More than one phone number can be used with a single SIP Trunk.
The phone numbers the Trunk will receive incoming calls with can be chosen in your sipgate account Settings
Under the Trunking tab click on the trunk.
On the right hand side of the trunk's settings click Assign Phone Number to add a single number.
Choose +Phone Number Block to add a block of three or ten numbers.
To set the Outgoing caller ID in FreePBX
Open Admin ➔ Config Edit
Click on the extensions_Custom.conf file and add the following text:
* The number you wish to show on outgoing calls can be selected in FreePBXs settings in the the Trunk Settings ('General' --> 'Outbound Caller ID'), the Outbound Route's settings ('Route Settings' -> 'Route CID') or in the Extension settings ('Outbound CID'). * The number to be displayed as your outgoing caller ID must be sent to sipgate in the in the E.164 format (i.e. international format without the leading zeros or plus (+) sign) as a new header P-Preferred-Identity: 4420300000000)
Asterisk SIP Settings

Asterisk SIP Settings ➔ General SIP Settings
Allow Anonymous Inbound SIP Calls: Yes/No
STUN Server
RTP Port Ranges
Codec Selection
Asterisk SIP Settings ➔ Chan SIP Settings
Registration Timer/Expiry Settings
Bind Port: Standard Value = 5160
Bind Address: Standard value is 0.0.0.0.0 (Asterisk will listen on all addresses)
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